veining造句
Shellcrackingisthesourceofveiningdefects.Itisalsohelpfultoreducetheveiningdefectsusingenhancedcolloidalsilica.Researchhasbelievedthatveininginadmissionandexhaustpassageofdieselenginecylinderheadmaymai...
Shellcrackingisthesourceofveiningdefects.Itisalsohelpfultoreducetheveiningdefectsusingenhancedcolloidalsilica.Researchhasbelievedthatveininginadmissionandexhaustpassageofdieselenginecylinderheadmaymai...